<template>
	<div>
		<template v-for="(item, index) in options">
			<template v-if="values.includes(item.value)">
				<span
					v-if="(item.raw.listClass == 'default' || item.raw.listClass == '') && (item.raw.cssClass == '' || item.raw.cssClass == null)"
					:key="item.value"
					:index="index"
					:class="item.raw.cssClass"
					>{{ item.label + ' ' }}</span
				>
				<el-tag
					v-else
					:disable-transitions="true"
					:key="item.value"
					:index="index"
					:type="item.raw.listClass == 'primary' ? '' : item.raw.listClass"
					:class="item.raw.cssClass"
				>
					{{ item.label + ' ' }}
				</el-tag>
			</template>
		</template>
		<template v-if="unmatch && showValue">
			{{ unmatchArray | handleArray }}
		</template>
	</div>
</template>

<script>
export default {
	name: 'DictTag',
	props: {
		options: {
			type: Array,
			default: null,
		},
		value: [Number, String, Array],
		// 当未找到匹配的数据时，显示value
		showValue: {
			type: Boolean,
			default: true,
		},
		separator: {
			type: String,
			default: ',',
		},
	},
	data() {
		return {
			unmatchArray: [], // 记录未匹配的项
		};
	},
	computed: {
		values() {
			if (this.value === null || typeof this.value === 'undefined' || this.value === '') return [];
			return Array.isArray(this.value) ? this.value.map((item) => '' + item) : String(this.value).split(this.separator);
		},
		unmatch() {
			this.unmatchArray = [];
			// 没有value不显示
			if (this.value === null || typeof this.value === 'undefined' || this.value === '' || this.options.length === 0) return false;
			// 传入值为数组
			let unmatch = false; // 添加一个标志来判断是否有未匹配项
			this.values.forEach((item) => {
				if (!this.options.some((v) => v.value === item)) {
					this.unmatchArray.push(item);
					unmatch = true; // 如果有未匹配项，将标志设置为true
				}
			});
			return unmatch; // 返回标志的值
		},
	},
	filters: {
		handleArray(array) {
			if (array.length === 0) return '';
			return array.reduce((pre, cur) => {
				return pre + ' ' + cur;
			});
		},
	},
};
</script>
<style scoped>
.el-tag + .el-tag {
	margin-left: 10px;
}
</style>
